A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 5915-01-385-2904
NSN 5998-01-187-8724
NSN 4140-01-172-4035
NSN 5975-00-952-1791
NSN 5960-00-188-8648
NSN 5930-01-408-9404
NSN 5855-01-396-0258
NSN 6620-00-496-8697
NSN 5895-00-149-1830
NSN 5990-01-575-3275
NSN 5975-01-355-2774
NSN 5975-01-398-2898